To put it another way, what you want is a simple Hadoop/Cassandra connector. There is not one in the Mahout project.
Search google for Hadoop+Cassandra and you'll get a lot of hits about combining them. On Wed, Feb 29, 2012 at 7:40 AM, Sean Owen <[email protected]> wrote: > Half of the recommended code has nothing to do with Hadoop. > CassandraDataModel is relevant only there. > > I'm saying that for anything else that does use Hadoop there is no such > thing as Mahout support for Cassandra because Hadoop is the piece that > interfaces with it. > On Feb 29, 2012 3:38 PM, "Srinivas Krishnan" <[email protected]> > wrote: > >> Could you clarify, what is for non distributed recommenders ? Is the >> Cassandra mapping to support Hadoop and hence only for recommenders that >> use map reduce or any of the algorithms that use map reduce can be used by >> mapping the data in Cassandra to Hadoop. >> >> -srinivas >> >> >> >> >> On Wed, Feb 29, 2012 at 10:30 AM, Sean Owen <[email protected]> wrote: >> >> > That is for non distributed recomenders, not using Hadoop. For anything >> > else using Hadoop you use Cassandra by using it as an input to Hadoop. It >> > is not specific to Mahout. >> > On Feb 29, 2012 3:23 PM, "Srinivas Krishnan" <[email protected]> >> > wrote: >> > >> > > We have a large collection of "domain names" that we are moving from a >> > > MySQL DB to Cassandra for analytics. We want to run some n-gram tagging >> > > models that we have developed for this purpose and would like to do it >> at >> > > scale. >> > > >> > > The question I really have is how does Mahout map on to Cassandra, I >> see >> > > that .6 release states support for Cassandra Data model, which I am >> > > guessing is support for mapping on to Columns, SuperColumns etc or am I >> > > mistaken ? >> > > >> > > >> > > -srinivas >> > > >> > > >> > > >> > > On Wed, Feb 29, 2012 at 9:23 AM, Sean Owen <[email protected]> wrote: >> > > >> > > > CassandraDataModel is not related to HMM. Maybe you could be more >> > > specific >> > > > here. >> > > > On Feb 29, 2012 4:43 AM, "Srinivas Krishnan" < >> [email protected] >> > > >> > > > wrote: >> > > > >> > > > > I am currently designing my Data Model for a small cassandra >> cluster >> > > and >> > > > > wanted to incorporate the HMM model from Mahout. I could not find >> > much >> > > > > documentation of how exactly Mahout maps to an existing Data Model >> in >> > > > > Cassandra. Any specific things to keep in mind or pointer would be >> > > great. >> > > > > >> > > > > -srinivas >> > > > > >> > > > >> > > >> > >> -- Lance Norskog [email protected]
